Habenaria dentata [Sw.]Schlechter 1919 SECTION Habenariae Photo courtesy of Wilford Neptune.

Plant and flowers in situ in Thailand

Part shadeHotTo CoolLATE Summer Fall

Common Name The Toothed Habenaria - in Ryukyu Islands - Dai-Sagi-So - Seitaka-sagi-so - In China E Mao Yu Feng Hua - In Thailand Nang ua noi, Wan khao nieo, Ueang khao tok

Flower Size 1.2 to 1.6" [3 to 4 cm]

This medium to large sized, hot to cool growing terrestrial orchid is found in the Assam, eastern Himalayas, Nepal, western Himalayas, Bhutan, Myanamar, Thailand, Malaysia, Cambodia, Laos, Vietnam, the Philippines, Ryukyu Islands, China, Taiwan and Japan in open secondary grasslands, in semi-deciduous and deciduous dry lowland forests and savana-like woodlands at elevations of 600 meters to around 1800 meters with a leafy stem carrying oblong-elliptic to ovate-elliptic, acute or obtuse leaves that blooms in the late summer and fall on a terminal, erect, 20" to 24" [50 to 60 cm] long, several flowered [15], racemose inflorescence with linear-lanceolate, acuminate floral bracts that are longer than the ovary. What a gorgeous flower!

Synonyms; Habenaria dentata var. tohoensis (Hayata) S.S.Ying 1977; Habenaria geniculata D.Don 1825; Habenaria miersiana Champ. ex Benth. 1855; Habenaria sieboldiana Miq. 1866; Habenaria tohoensis Hayata 1914; *Orchis dentata Sw. 1800; Orchis geniculata Buch.-Ham. ex D.Don 1825; Plantaginorchis dentata (Sw.) Szlach 2004; Plantaginorchis finetiana (Schltr.) Szlach. 2004; Platanthera dentata Lindl. 1840; Platanthera geniculata (D.Don) Lindl. in N.Wallich 1832

References W3 Tropicos, Kew Monocot list , IPNI ; A Century of Indian Orchids Vol 5 Hooker 1895 as H geniculata drawing ok; Orchids of Burma Grant 1895/1995 as H geniculata; The Orchids of Sikkim-Himalaya Part 1 King & Pantling 1898 as H geniculata drawing ok; AOS Bulletin Vol 28 No 11 1959 photo as H geniculata; The Orchids of Thailand Seidenfaden & Smitinand 1959 drawing ok; The Orchids of Thailand Seidenfaden & Smitinand 1959 as H sp fig 30 drawing ok; The Orchids of Thailand Seidenfaden & Smitinand 1959 Orchids of Southern Ryukyu Islands Garay & Sweet 1974 drawing fide; Indian Orchids A Field Guide to Identification and Culture Vol 1 Pradhan 1976 drawing fide; Orchidiana Philipiniana Vol 1 Valmayor 1984; The Orchids of Penninsular Malaysia and Singapore Wood & Seidenfaden 1992 drawing/photo fide; Thai Orchid Species Rakpaibulsombat 1992 photo fide; The Wild Orchids of China Tsi, Chen & Mori 1997; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 photo fide; Lindleyana Vol 15 No 4 2000; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; Orchids of Bhutan Pearce & Cribb 2002; Wild Orchids in Myanamar Vol 2 Tanaka 2004; Orchids of India A Glimpse Misra 2007 Native Orchids From Gaoligongshan Mountains, China Xiaohua, Xiaodong and Xiaochun 2009 photo fide; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo ok; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide; The Atlas of Wild Orchids in Hainan Island, China Shenyan and Junmei 2010 photo fide; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos fide; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing/photo fide; The Wild Orchids of Hong Kong Barretto, Cribb and Gale 2011 drawing/photo fide;

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